#include <iostream>

using namespace std;

// 单例模式
class Printer
{
public:


private:
    Printer();
    Printer(int t);
    ~Printer();

private:
    static Printer * const p;
    int times;
};

int main(int argc, char **argv)
{




    return 0;
}

Printer::Printer();
Printer::Printer(int t);
Printer::~Printer();